Daily News update on – Science


June 20, 2023
NEWS

Space.com

Discovery of 2nd ever white dwarf pulsar sheds light on how stars evolve

The white dwarf pulsar spins 300 times faster than Earth and could help reveal how these rare objects generate powerful magnetic fields. Artist’s illustration of white dwarf pulsar. An illustration shows the evolution of a white dwarf pulsar (Image …

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Space.com

The loneliest monster black holes may also be the hungriest

The new observations help explain how galaxy sizes and their environment influence black hole behavior. Comments (0). a spiral galaxy in deep space. (Image credit: ESA/Hubble & NASA and N. Grogin (STScI), Acknowledgement: Judy Schmidt).

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Space.com

Watch Delta IV Heavy rocket launch US spy satellite on penultimate mission early Wednesday

The NROL-68 mission is scheduled to launch at 3:29 a.m. ET on Wednesday (June 21).

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Space.com

Cosmic-ray ‘GPS’ system that tracks underground movement could change the way we respond to disasters

A new system that uses subatomic particles produced high in Earth’s atmosphere could provide a view inside volcanoes and help locate people trapped beneath rubble. Comments (0). Bright blue sparks of light rain down through clouds.

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Scientific American

JWST’s Glimpses of Early Galaxies Could Shed Light on Dark Matter

By comparing them against cold dark matter galaxy simulations, the researchers discovered odd structural and chemical differences, galactic tweaks that the James Webb Space Telescope (JWST) might be able to see. “It’s an …

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Space.com

Aurora myths, legends and misconceptions

Throughout the world, auroras have sparked numerous interpretations ranging from an omen of impending death to the presence of departed spirits. Comments (0). A teepee in the center of the image with a starry sky above and the aurora.

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Phys.Org

Exploring Stephan’s Quintet with multiple senses

Experts created two new visual and auditory experiences to explore the complexity and beauty of a compact galaxy group known as Stephan’s Quintet. The guided three-dimensional visualization surveys the galaxies—their structures, characteristics, …

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Phys.Org

Lab-grown human embryo models spark calls for regulation

Scientists have used stem cells to create structures that resemble human embryos in the lab, in a first that has prompted calls for stricter regulation in the rapidly advancing field. Several different labs around the world have released pre-print …

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Livescience.com

The expansion of the universe could be a mirage, new theoretical study suggests

New research looking at the cosmological constant problem suggests the expansion of the universe could be an illusion. Comments (2). A blue nebula looks like an eye in this NASA image. Astronomers use the light from distant stars, such as the Helix …

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Jet Propulsion Laboratory

Webb Rules Out Thick Carbon Dioxide Atmosphere for Rocky Exoplanet

An international team of researchers has used NASA’s James Webb Space Telescope to calculate the amount of heat energy coming from the rocky exoplanet TRAPPIST-1 c. The result suggests that the planet’s atmosphere – if it exists at all – is extremely …

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